tailieunhanh - Cultivar and insecticide spraying time effects on cowpea insect pests and grain yield in northern Ghana

This study aimed at identifying appropriate combinations of cultivar and insecticide spraying times for the management of economically important insect pests of cowpea in northern Ghana. The study was conducted in two successive rainy seasons at two locations situated in the Sudan and Guinea Savannah zones of northern Ghana. |

TỪ KHÓA LIÊN QUAN